location 1 location 2 location 3 location 4 which fossil layer is the oldest? b a d c
location 1 location 2 location 3 location 4 which fossil layer is the oldest? b a d c
Answer
Explanation:
Step1: Recall fossil - layer principle
In undisturbed sedimentary rock layers, the oldest layers are at the bottom.
Step2: Identify bottom - most layer
Looking at the diagram, layer A is at the bottom in all locations.
Answer:
B. A